methyl 5-[5-hydroxy-6-(methyloxy)-1H-benzimidazol-1-yl]-3-({[2-(trifluoromethyl)phenyl]methyl}oxy)-2-thiophenecarboxylate 、
methyl 5-[6-{[(1,1-dimethylethyl)(diphenyl)silyl]oxy}-5-(methyloxy)-1H-benzimidazol-1-yl]-3-({[2-(trifluoromethyl)phenyl]methyl}oxy)-2-thiophenecarboxylate 、
四丁基氟化铵 以afforded 1.76 g (82%) of methyl 5-[6-hydroxy-5-(methyloxy)-1H-benzimidazol-1-yl]-3-({[2-(trifluoromethyl)-phenyl]methyl}oxy)-2-thiophenecarboxylate as a pale yellow solid的产率得到methyl 5-[6-hydroxy-5-(methyloxy)-1H-benzimidazol-1-yl]-3-({[2-(trifluoromethyl)phenyl]methyl}oxy)-2-thiophenecarboxylate